Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b3f249a3e13bf6f…

MALICIOUS

PDF

184.5 KB Created: 2015-07-24 11:50:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 425514e2357c84f55dadf3a51e7fc006 SHA-1: 645a4b752ce3b4f377d955497a6d999c4ed9ccde SHA-256: 8b3f249a3e13bf6f012e083e0d30f808347fcd5b1a7b8545a5b0637a0c7975ca
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was detected as malicious by ClamAV and contains a critical heuristic firing for a malicious redirector link. The embedded URL points to botcraftman.ru, which is known malicious infrastructure. This suggests the document is designed to lure the user to a malicious site, likely for further exploitation or malware delivery.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • ClamAV: Pdf.Dropper.Agent-8788261-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8788261-0
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D1%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D1%8D%D0%BA%D0%B7%D0%B0%D0%BC%D0%B5%D0%BD%D0%BE%D0%B2+%D1%82%D1%83%D0%BB%D0%B3%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187586_marina_korpan_bodifleks_video_uroki_skachat_besplatno_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185133_game_sounds_manifest_txt_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190014_skachat_vse_albomuy_ritm_dorog_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023ee9.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EE9 3556 bytes
font_01_sfnt_off00024c6c.bin
bbc57ebf47e7fab32dd552efacfeed92ca82640dee1f0c59865701712d9ad4ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C6C 14820 bytes
font_02_sfnt_off00027a92.bin
1a803d94510109e1c0ca4497b007617bc54bc3871f99963dd6d053fab28c84d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A92 14468 bytes
font_03_sfnt_off0002a546.bin
4cce6191a50d7d423465efa35dc3683616dcae5b6aefb27802fdd5b80c3e5dc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A546 6620 bytes
font_04_sfnt_off0002b844.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B844 6084 bytes
font_05_sfnt_off0002c7d9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7D9 3752 bytes

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